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Does concrete expand when heated?
Yes , just the same as steel - otherwise the rebar would crack structures !
What is distortion in welding?
it moves Because almost all Elements expand when heated and contract when cooled. As you are welding the metal at that location is trying to expand because of the heat. Ahead of the weld area the metal isn't moving. Behind the weld area the metal is trying to contract as it cools. If the whole weld could be heated at once it would expand then contract at the same rate without distortion.
Does gold conduct heat?
All things expand when they are heated. Gases expand the most, liquids less than gasses, and solids expand the least. Yes they do. Take metal for example it expands when it gets hot.
What is the function of the expansion tank in a hot water heating system?
To allow for the expansion of heated thot water
What is heated to make cement?
Actually, nothing is heated to create cement. Cement is a mechanically bonded combination of cement, sand, water, and gravel (aggregate).
Do water atoms expand or multiply when heated?
Water atoms do not expand or multiply when heated. When water is heated, the heat energy causes the water molecules to move faster and farther apart, which results in the expansion of the water volume. The number of water molecules remains the same.
Do all objects expand when heated?
No, not all objects expand when heated. Most objects do expand when heated, but there are exceptions such as water between 0°C and 4°C, which contracts when heated. The expansion or contraction of an object when heated depends on its material properties.
What liquid expands when heated?
All liquids expand when heated. e.g. Mercury in a thermometer. One exception may be water when heated form 0 to 4 degrees Celsius.
Solid liquid or gas expand the most when heated?
Gases expand the most when heated compared to solids and liquids. This is because the particles in a gas have more kinetic energy and move more freely than particles in a solid or liquid, allowing for greater expansion when heated.
How much will water expand in a cistern when heated?
What size cistern what temp
By what percentage does water expand when it is frozen?
poo
Why do cereal grains expand upon cooking?
the process is called gelatinization- which occurs when heated starch molecules absorb water and expand. sometimes they expand 2-3 times their volume when cooked.
Is hot water denser than cold water?
NO, it is the opposite. remember molecules expand when heated
Does sea water expand when heated?
Yes, sea water expands when heated because the heat causes the water molecules to move faster and spread out, increasing the volume of the water.
Will two objects of the same material expand by the same amount when heated if one is twice as long as the other?
They will expand by the same percentage, but that percentage, of course, results in more actual length of expansion on the longer object.
Why not measure amounts of liquid when hot?
Heat = expansion. The water molecules expand when heated. The container will expand, and then the measurment will be off?
Oil expand or contract when heated?
Oil does expand when heated and contracts when cooled.
